Switzerland · TED award notices · Supplier record

Alterego Concept SA

Line: Site-investigation services (CPV 71510000)Register loaded to September 2026Compiled 12 October 2026

Alterego Concept SA — Switzerland · TED award notices · Supplier record: 5 award notices, all years (Jul 2025 – Feb 2026); 5 since January 2024 (2 buyers); 1st rank in the line (of 11 suppliers · 50.0%); 3 buyers never served (3 notices in the line from them).

Assay record ASY-CH-037R4HI091 · Cite as: Assay Systems, “Alterego Concept SA in the TED register for Switzerland”, https://assay-systems.com/register/ch/alterego-concept-sa/

5
award notices, all years
Jul 2025 – Feb 2026
5
since January 2024
2 buyers
1st
rank in the line
of 11 suppliers · 50.0%
3
buyers never served
3 notices in the line from them

Own record by year

award notices, 2023 onward
4
1
2023202420252026

Who buys from Alterego Concept SA

since January 2024
2buyers
5notices
80%top buyer
Office Cantonal des bâtiments (OCBA) - Département du territoire80.0%
4 notices
Services industriels de Genève (SIG) - Direction Achats20.0%
1 notice

The line

since January 2024
8award notices
4buyers
11suppliers
94.1%held by top ten

Site-investigation services (CPV 71510000)

1
7
0
202420252026Jan–Sep
1stof 11 suppliers
4notices name Alterego Concept SA
50.0%share of the line
80.0%of 5 notices from Office Cantonal des bâtiments (OCBA) - Département du territoire
6new suppliers since 2025

Buyers that buy the line and never named Alterego Concept SA

since November 2023
3buyers
3notices since 2024
2buyers took a new supplier
5suppliers came in that way
Département de la Santé et des Mobilités - Office cantonal du génie civil - Direction de l'entretien des routes - Service de l'entretien du patrimoine des routes cantonales
1 notice
Fuhr Buser Partner BauOekonomie AG
1 notice
Kanton Zürich, Baudirektion, Tiefbauamt, Büro W317
1 notice

Suppliers next to it in the line

since January 2024
Alterego Concept SA
4 notices
BATI-DIAG SA1 buyer
3 notices
IBS Interventions Bâtiments Services Sàrl1 buyer
2 notices
Albrecht Architekten AG1 buyer
1 notice

All 11 suppliers in the line

The extract

Every buyer, every supplier, award date, notice number and value where one is disclosed, behind the figures above.

Request extract

Source: contract award notices for Switzerland in Tenders Electronic Daily (TED), Publications Office of the European Union, ted.europa.eu, reusable for commercial purposes under Commission Decision 2011/833/EU; notices from November 2023, when TED began to publish the winning supplier, to 30 September 2026, accessed 11 October 2026.Assay Systems has changed the data.